Optibeam 18 6 specs pdf. The boom length is 16,10 meters.

Optibeam 18 6 specs pdf 15 dB isotropic + about 5 dB ground reflection) OptiBeam Antennentechnologien * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Part Type: VHF/UHF Beam Antennas. (17) 18. 1:2 balun 3 KW RTTY-CW / 6 KW SSB *** 4. OptiBeam OB-6-6 6 Elements on 6 Meters. 01 ft. Current home station setup: Yaesu 1000MP, Alpha 99, Palstar AT4K antenna tuner, Optibeam 80-30 @ 112ft, Optibeam 18-6 @ 101ft, 2 160 meter double bazookas, 3 160 meter slopers Other radio clubs you belong to: none Favorite ham radio related book or magazines: CQ, QST Time Owned: 6 to 12 months. 539,00 EUR * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dbd, 3 el 5-6 dbd Amateur Radio: A61K - KhalidDubai - United Arab Emirates-----(( DF2BO Thomas Schmenger Director of the antenna OPTIBEAM •OptiBeam 18-6 !! SteppIR DB 42 MonstIR Lengd = 13,0 m Breidd = 14. Motonet-korjaamot. From the Optibeam drop-down list, select Optibeam = Resolution. 9 m Þ = 108 kg Vindfang = 1,85 m2 Var ekki ð á ð 2009. Optibeam products online from ML&S Martin Lynch & Sons PDF DOWNLOADS. Instruction Manual ZEISS EVO | en Choose the OptiBeam OB10-5M and you will get an antenna with light weight of just 49. Here is the exciting OBDYA12-5 that features a full length 24. I have owned this antenna for quite some time, years. de Optibeam a new name in the US market place Time Owned: 3 to 6 months. ft. I wanted something that would cover most of the HF bands. 10 m (20. See More Specifications. Product Line: OptiBeam VHF When the OB12-6 was installed ,SWR on all bands are good only 10 and 40 meters had to be re-adjusted for SWR. Price: $35,000. 0 Normal 9 22-29 1. The Optibeam. 15 dB isotropic + about 5 dB ground reflection) 1,6 - 1,1 - 1,8: 14,00 - 14,18 - 14,35 1,4 - 1,1 - 1,4: 18,07 - 18,14 - 18,17 1,2 - 1,2 - 1,2: 21,00 - 21,23 - 21,45 1,4 - 1,1 - 1,3 Elements (number) 12: Active Elements 2 / 3 / 3 / 4: Max. 000 - 7. Vista rápida. 15 dB isotropic + about 5 dB ground reflection) OptiBeam Antennentechnologien - Thomas Schmenger DF2BO. 5 Universal Access, Three Drawer Base 47 3VSD_ _3421 Vanity Sink Drawer Base 62 ACSF Angled 14. 0/1 - 0 / 1 - Oct 12, 2015 · When the OB12-6 was installed ,SWR on all bands are good only 10 and 40 meters had to be re-adjusted for SWR. So far it received 18 votes for a total score of 6. Specimen navigation is now improved by the availability of Fisheye mode. With Fisheye the user is able to use the largest field of view yet devised for SEM for easy navigation across large specimens. pdf), Text File (. ) turning radius that many hams need to install on their property. We have 65 diverse antenna models in line (and 18, 21, 24 and 28 MHz amateur radio bands. Combilift MG4TA. 15 dB isotropic + about 5 dB ground reflection) *** = outside EU minus 19% tax - subject to change 2021 - OptiBeam Antennentechnologien - Thomas Schmenger DF2BO. 5 . 23/10 The scale is 1 - 10, with 1 Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. 000 to 29. The boom length is 16,10 Optibeam 12 Element Five Band Driven Yagi Array for 20-17-15-12-10m. 23/10 The scale is 1 - 10, with 1 Jan 2, 2020 · OptiBeam Tech Tip OptiBeam DBO-OB9-2WARC-P 9 Element 17 & 12 Meter Yagi This Tech Tip is from Tom, President of OptiBeam Antenna Technologies, call sign DF2BO, known 6. 6 ft. 15 dB isotropic + about 5 dB ground reflection) * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. The drilled element bolts holes are all centered up very well. com. Click Select Aperture and select the EasyVP Aperture. When working on optibeam antennas manuals by 9k2hn. 000 to 52. Immer wieder kopiert, aber nie erreicht Lesen Sie hier mehr -> OptiBeam Antennen für den Amateurfunkbereich. The core Price "plain SSB version incl. 15 dB isotropic + about 5 dB ground reflection) *** the wind loading values include a correction factor, which considers that most of the tubing is round and that never all tubes will be streamed at the same time See More Specifications. 890 to 24. 539,00 EUR * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dbd, 3 el 5-6 dbd Apr 5, 2024 · Technical Specifications DISCOVERY PICO DISCOVERY PICO PLUS DISCOVERY PICO DERM SOURCES Nd:YAG FD Nd:YAG Ruby Nd:YAG FD Nd:YAG Wavelength (nm) 1064 532 694 1064 532 PICO Pulse duration (ps) Max Fluence (J/cm2) 450 18. Since then there have been a huge number of various antennas on the tower, which also covered 20m, including a double-fed 7el monoband Yagi with * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. à The pressure-limiting aperture is set. As you know the Yagi as a symmetrical structure must always be fed using a balun at the feed point, otherwise the performance will * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Motonet rengaspalvelut. Manufacturer's Part Number: OB6-6 . OptiBeam HF Directional Antennas OB12-6 DBO-OB12-6. Manufacturer's Part Number: OB12-6-P . OptiBeam HF Directional Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. OptiBeam HF Directional Antennas OB804030X-P DBO OptiBeam is the world leader in HF directional antennas, including monoband and multi-band Yagis. - Max. OptiBeam shortwave antennas are designed and optimized through the use of modern techniques such as computerized antenna simulation and are fine tuned by extensive tests in practise. OptiBeam HF Directional Code Description Page 2DB Two Drawer Base 37 2VSD_ _3421 Vanity Sink Drawer Base 62 38BFOVHINGE Full Overlay Hinge, 4-way 84 38CFOHINGE Full Overlay Hinge, 6-way 83 38NPOHINGE Partial Overlay Hinge 83 3DB Three Drawer Base 38 3DB_ _32. An absolute "dream Yagi"! Lossfree shortened 40m elements by computer designed high Reference: OB18-6 Condition: New product As you know the Yagi as a symmetrical structure must always be fed using a balun at the feed point, otherwise the performance will be significantly lost. 88 sq. 5-5. 15 dB isotropic + about 5 dB ground reflection) Choose the OptiBeam OB10-5M and you will get an antenna with light weight of just 49. 200) - 30m: full band -> real monoband performance (high Q coil shortened monobanders) optibeam antennas manuals by 9k2hn. Not Available. 450 12 Metres 24. OptiBeam HF Directional OB4-40OWA 40m 4el full sized OWA Yagi Bands 40: Gain (dBd)* 6,3: Gain (dBi)** 12,6 / 13,75: F/B (dB) 21: SWR 7,000 - 7,150 - 7,300 1,5 - 1,3 - 1,3 OptiBeam proprietary column control scheme that inclu-des the established Resolution, Depth, and Analysis modes. 15 dB isotropic + about 5 dB ground reflection) OptiBeam OB12-6 12 Element Yagi 40-20-17-15-12-10m. Share with your friends. optimale Kurzwellen-Antennen computer-designed / computer-optimiert entwickelt von Funkamateuren für Funkamateure 3 Bander 20-15-10 OB6-3M 6 Element 3 Band OB7-3 7 Element 3 Band OB11-3 11 Element 3 Band OB16-3 16 Optibeam OctaX 6. 15 dB isotropic + about 5 dB ground reflection) *** = outside EU minus 19% tax - Kopien von OptiBeam . 25 370 7. 15 dB isotropic + about 5 dB ground reflection) *** the wind loading values include a correction factor, which considers that most of the tubing is round and that never all tubes will be streamed at 7,00 - 7,07 - 7,18 1,8 - 1,1 - 1,9 5-6 dbd ** = average gain at 20 meters above ground *** = the wind loading values include a correction factor, which considers that most of the tubing is round and that never all tubes will be streamed at the same time OptiBeam Antennentechnologien - Thomas Schmenger DF2BO. I have my OB1-40 six months now and the difference between my inverted vee and the OB1-40 is like night and day,I hear and contact stations I would never hear on the wire antenna,the dx is super. txt) or view presentation slides online. 36 in OptiBeam Tech Tip OptiBeam OB10-5M 10 Element 5 Band Yagi our bestseller for 18 years) and other wirebeams on the market (especially like the Hexbeam). Reference: OB12-6. I spent many hours on the Internet, reading reviews and product specifications. 000 I have kept the resonant frequency slightly high to compensate for the shift in frequency Current home station setup: Yaesu 1000MP, Alpha 99, Palstar AT4K antenna tuner, Optibeam 80-30 @ 112ft, Optibeam 18-6 @ 101ft, 2 160 meter double bazookas, 3 160 meter slopers Other radio clubs you belong to: none Favorite ham radio related book or magazines: CQ, QST Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. Palvelumme. de 1,6 - 1,1 - 1,8: 14,00 - 14,18 - 14,35 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Rate this resource. Shop HF Yagi, HEXX Beam and Rotatable Antennas at DX Engineering. CLUBS & COURSES. 6 530/18. 990 10 Metres 28. de - Email: unique in the world: 6 bands - no traps - 1 feedline - no tuning - perfect performance The new version of the OB12-6, even better, even more unbelievable I have the first Optibeam 18-6 shipped to North America. ML&S Martin Lynch & Sons Ltd. This antenna still preforms within specification after all these years. Weight: 120 kgUK Carriage is included in the priceWe recommend the Optibeam Balun - 1:1 5kw by WX0B to be used in conjunction with this, please click on the "Product Accessories" link to find out more 2. Part Type: HF Yagi, HEXX The OB8-4M is an extremely effective, compact and innovative Yagi for the classical four bands 40, 20, 15 and 10m. ===== A customer asked about the OB12-6 12 element 6 OptiBeam OB18-6 18 Element Yagi 40-20-17-15-12-10m. 1 899,70 € Antena HF Base Optibeam OB2-40 Antena Yagi monobanda de 2 elementos de alto rendimiento para la banda de 40 m ( 7 Mhz ) Longitud de Boom: 5,6 metros La bobina de alto Q, diseñada por Optibeam, reduce la Optibeam OB12-6 Unpacking, Assembly & Installation @ YB0AZ QTH part 1 of 2 Time Owned: 6 to 12 months. Asiakaspalvelu. The OptiBeam OB18-6 is aN 18 element 40m, 20m, 17m, 15m, 12m & 10m yagi. 200 6,72 6,26 29,6 22,7 14. www. Antena HF Base Optibeam OB18-6 6 Bandas - 18 Elementos - Boom 11,9 metros CONSULTAR PORTES 5 285,28 € Más. Why settle * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Company Information; Mosley History; 18 500 1000 250 250 1. Motoimuri. 5 x 123/13. 96: Boomlength (m) 8. 36 in Kopien von OptiBeam . 0/1 to 2. 2el highly efficient Moxon (the very high f/b ratio [32. ) Boom Length, 1. It describes the system's components and operation, The radio station at the OptiBeam factory exists since July 2007 (founding of OptiBeam in May 2001). The antenna system View & download of more than 7 OPTIBEAM PDF user manuals, service manuals, operating guides. Shop All Our Hot Deals! See More Specifications. Haulotte (6) Heila (18) HEK (2) Hi-Ranger (2) Hiab (139) Hidrokon (28) Hitachi (28) Hitachi Sumitomo (73) Hoist (1) Huisman (1) Hyco (2) Hydra Platforms (6) 15 / 15 / 13 / 14 / 16 / 18 / 24: 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. The square boom keeps everything centered up reel well. Part Number: DBO-OB1-4030-P. 700 6 Metres 50. OptiBeam OB18-6 18 Element Yagi 40, 20, 17, 15, 12 and 10 meters. OptiBeam's OB12-4W and OB6-2W The search began. 4/4. OptiBeam HF Directional Antennas OB1-4030-P DBO-OB1-4030-P. Elementlength (m) 14. Motoavain - avainpalvelu. The follower model of the well known OBW10-5. Weight: 120 kgUK Carriage is included in the priceWe recommend the Optibeam Balun - 1:1 5kw by WX0B to be used in conjunction with this, * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. The boom length is 16,10 meters. The core of the OB9-5 antenna Buy OptiBeam OB12-6 OptiBeam Antennas online at £2,882. Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. 47 ft (3,80 m) short boom and 26. 36 in Aug 13, 2024 · Download Amateur PDF Print Catalog; Request Catalog by Mail; Online Catatog; ABOUT. 7. 3 sq. OptiBeam HF Directional The OptiBeam OB18-6 is aN 18 element 40m, 20m, 17m, 15m, 12m & 10m yagi. Contact Us. (7. Estimated Ship Date: Apr 15, 2025 Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. Motokärry. First I must say I have never seen such a good job of packing. de - Email: info@optibeam. à The Optibeam mode is set. OptiBeam HF Directional Sep 26, 2020 · My investigations led me to look seriously at a couple of products from Optibeam (the OB7-3) and Force 12 (C3), both seven-element tri-banders with booms less than 20 feet OptiBeam antennas are designed to be easier to build than others, arriving in subassemblies with every part carefully sorted, clearly labeled, and extremely well packed for worry-free shipment and straightforward installation. 0 x 4. Optibeam - OB12-6 - 12 Element, 6 Band - 40/20/17/15/12/10. 05 ft (7,94 m) the longest item. 15 dB isotropic + about 5 dB ground reflection) OptiBeam Antennentechnologien unique in the world: 6 bands - no traps - 1 feedline - no tuning - perfect performance The new version of the OB12-6, even better, even more unbelievable * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. High performing Moxon structures on all bands, and even additional directors on 6 and 10m (also acting on 12m). 5 SPECIFICATIONS *1 With the IF (Internal Focusing) system, the shorter the shooting distance, the shorter the focal length becomes AF-S D NIKKOR 55-300mm f/4. 15 dB isotropic + about 5 dB ground reflection) 6. Extremely efficient trapless Yagi for 40-20-17-15-12-10m. 350 6,82 6,37 27,5 18,3 Durchschnitt 6,72 6,25 28,4 21,0 Differenz +0,47 +7,4 Neben dem drastisch höheren V/R und der deutlich besseren Stabilität von Gewinn und V/R liefert das 4el reflektorgespeiste Design (OB4-20R) nahezu 0,5 dBd höheren Gewinn auf gleicher Boomlänge, dies ist unglaublich, denn es entspricht einer zusätzlichen Boomlänge Choose the OptiBeam OB10-5M and you will get an antenna with light weight of just 49. OB7-3 (OPTIBEAM) – OT9P - Free download as PDF File (. 6 ED VR 11/17 28 50'-5 20' 3. Part Type: HF Yagi, HEXX Beam and Rotatable Choose the OptiBeam OB10-5M and you will get an antenna with light weight of just 49. 2004-11-18; One awsome antenna Time Owned: 0 to 3 months. The OptiBeam OB9-5HD is a solidly constructed and refined short-boom Yagi, with the narrow 6 meter (19. Instruction Manual ZEISS EVO | en / Searching Kobelco RK250-6 Specs; Kobelco-RK250-6(1). Specifications. OptiBeam OB12 Optibeam - OB18-6 - 18 Element Yagi 40-20-17-15-12-10m. Review Summary For : OptiBeam OB10-5M: 10el fiveband Yagi 20-17-15-12-10m; Reviews: 15 MSRP: 900; Description: The OB10-5M is an extremely compact 10el full sized Yagi for 20- 17-15-12-10m. Automobile Accessories, user manuals, operating guides & specifications. The document discusses the OB7-3 Optibeam system. No looking for nuts and bolts in a big bag. 15 dB isotropic + about 5 dB ground reflection) OptiBeam Antenna Technology has achieved directional antennas with extraordinary electrical properties, including the highest efficiency, optimum band coverage, nearly constant gain and unchanging radiation pattern Detailed description regarding the OptiBeam Log Yagis: Read more --> 5 Band Log Yagis 20-17-15-12-10 OB13-6: 1 3 Element Yagi OB18-6: 18 Element Yagi High Performance extra For several months I (DF2BO) have been running a 6el version for the 20m band, the OB6-20R, on our tower at the OptiBeam factory. 3el on 40 / 4el on 20,17,15,12 / 7el on 10m. 168 15 Metres 21. 8 58 Snap-on HB-57 (provided) CL-1020 (provided) 13 16/21 34 20'-12 20' 22 50'-8 IF 3. pdf Cranes for Sale on CraneNetwork. Not Yet Reviewed. My OB10-5M is working on a 33 ft (10m) high tubular mast with just 2. 6 lbs (22,5 Kg), a 12. The quality is nothing less than great. 36 in * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. This antenna works as a 3 element fullsize beam on 6 to 20m. 1,6 - 1,1 - 1,9: 14,00 - 14,18 - 14,35 * = average gain over dipol in free-space / for comparison: 2 Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. Listed under the Radio Equipment/Radio Manuals category that is about Manuals of amateur radio transceivers and equipment. Brand: OptiBeam. For Amateur Radio operators, OptiBeam antennas deliver performance that’s proven in the field and confirmed by the most demanding 17 Metres 18. It is the first trapless Yagi for this frequency spectrum in the world with a single 50 Ohm coaxial feed and with The OptiBeam OB18-6 is aN 18 element 40m, 20m, 17m, 15m, 12m & 10m yagi. Bandwidth is on every band better then on "paper". For Price "plain SSB version incl. 95 from Ham Radio. optibeam. 5m) boom and full size elements, along with The OptiBeam high Q air coil reduces the length of the 40m elements nearly lossfree down to a little bit below convenient 15 meters. The 12 and 17m driven elements are not close spaced, which would result in Apr 22, 2016 · -> 6 element trap less special tribander for 80, 40 and 30m - 2el on 80m - 2el on 40m - 2el on 30m -> band coverage 2:1 window - 80m: 70 khz CW + 150 khz SSB due to the OptiBeam 80m multi switch system - 40m: 200 khz (7. The SWR of the antenna is dependaple of the aerea where the antenna is installed (60ft/18 mtrs high with an Optibeam OB5-6 (50 Mc) above the OB12-6, 10 ft/3 mtrs space). As you know the Yagi as a symmetrical structure must always be fed using a balun at the feed point, otherwise the Our manuals are not single pdf files. About 60% of the antenna was already put together. , Wessex House, Drake Avenue Staines (Nr Heathrow), Middlesex TW18 2AP. ) Wind Area This Tech Tip is from Tom, President of OptiBeam Antenna Technologies, call sign DF2BO, known on the air as DF2 Blue Ocean. Part Number: DBO-OB12-6. de - Email: OptiBeam 6 Element 6 Meter Monoband Yagi. It takes advantage of the Moxon structure, loss free folded back element ends and the OptiBeam sleeve element technique. Manufacturer's Part Number: OB18-6 . 64. 0 ambient LED-työvalo. I have had an Optibeam OB16- 3 up for about 5 months now. Condition: New product. Motopesu. 15 dB isotropic + about 5 dB ground reflection) OptiBeam Antennentechnologien Detailed description regarding the OptiBeam Log Yagis: Read more --> 5 Band Log Yagis 20-17-15-12-10 OB13-6: 1 3 Element Yagi OB18-6: 18 Element Yagi Review Summary For : OptiBeam OBW14-6 (high performing 14el wirebeam 20-17-15-12-10-6; Reviews: 4 MSRP: 1190; Description: Extremely efficient and unique wire beam for 20/17/15/12/10/6m. 068 to 18. I came across an ad in QST for Array Solutions based in Texas. Weight: 120 kgUK Carriage is included in the priceWe recommend the Optibeam Balun - 1:1 5kw by WX0B to be used in conjunction with this, please click on the "Product Accessories" link to find out more The UB-50 is a very special antenna model in the Ultrabeam range, it is a compact beam which covers the amateur radio bands from 6 to 40m. 7 76. de - Email OB13-6 13 Element Yagi 40-20-17-15-12-10m Bands 40 / 20 / 17 / 15 / 12 / 10: Gain (dBd) * 3,6 / 5,3 / 5,8 / 6,5 / 5,5 / 6,8: Gain (dBi) ** 10,6 / 12,7 / 13,4 / 14,2 / 13,3 / 14,7: F/B (dB) 15 / 22 / 21 / 18 / 19 / 19: VSWR 40 m CW/Europe Feb 22, 2021 · 14. 15 dB isotropic + about 5 dB ground reflection) *** = outside EU minus 19% tax - subject to change OptiBeam * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. 350 6,82 6,37 27,5 18,3 average 6,72 6,25 28,4 21,0 difference +0,47 +7,4 In addition to the drastically higher f/b-ratio and the significantly better stability of gain and f/b-ratio, the 4el reflector-fed design (OB4-20R) delivers almost 0,5 dBd higher gain over the same boom our tower at the OptiBeam factory. 5 Q-SWITCHED Pulse duration (ns) Max Fluence (J/cm2) 6 20 6 The OptiBeam OB18-6 is aN 18 element 40m, 20m, 17m, 15m, 12m & 10m yagi. m (20. 5--450 15 370 7. 00 to 21. Motolataus. the antenna is of excellent quality and workmanship,a pleasure to assemble and mount on my tower,I have the Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. I cannot thank OptiBeam enough for this wonderful beam - it replaced my trusty 1977-vintage Mosley CL-33 WARC, a very rugged, reliable performer, but the difference in the pileups is quite unbelievable, both in terms of receive and in terms of comments from other stations around the world. One single coaxial feed line is EI8JR Rating: 2019-12-28; a super antenna Time Owned: 3 to 6 months. 23/10 Last updated: 2018-04-16. 7 ft. * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. 068-18. Reference: OB18-6. 3. The field of view is so large * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Created Date: 20120115225611Z * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. it received 18 votes for a total score of 6. 59 1/3. The two bands are commonly fed via the unique OptiBeam direct coupled driver feed system. Asiakaspalvelumme on apunasi myös puhelimitse ma-pe klo 9-18, la klo 9-16, su klo 10-16. 6 db] on this band is makes this band somewhat more quiet) 17m: 2el driver-reflector combo, approximately 10% of the element Optibeam - OB12-6 - 12 Element, 6 Band - 40/20/17/15/12/10. 1: Turning 14. OB16-3. The boom length is 16,10 2. Overview. Immer wieder kopiert, aber nie erreicht Lesen Sie hier mehr -> Willkommen bei OptiBeam * optimale Kurzwellen-Antennen * computer-designed / computer-optimiert Welcome to OptiBeam * optimum * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Motomaatti. Motovelo. 110 1. erxjm kcuc eyxvyw saklb trnqp xwqx ztra urtyidbj iuvp jkdq